Color	Opacity	Sample	Observed color
#555555	1.0	fhilnrtu	gray
#555555	0.99999997019767746	fhilnrtu	gray
#555555	0.99999997019767745	fhilnrtu	yellow
#555555	0.9	fhilnrtu	yellow
#555555	0.8	fhilnrtu	yellow
#555555	0.7	fhilnrtu	yellow
#555555	0.60937497019767766	fhilnrtu	yellow
#555555	0.60937497019767765	fhilnrtu	gray
#555555	0.6	fhilnrtu	gray
#555555	0.51562497019767746	fhilnrtu	gray
#555555	0.51562497019767745	fhilnrtu	yellow
#555555	0.5	fhilnrtu	yellow
#555555	0.4	fhilnrtu	yellow
#555555	0.36718748509883873	fhilnrtu	yellow
#555555	0.36718748509883872	fhilnrtu	gray
#555555	0.3	fhilnrtu	gray
#555555	0.2	fhilnrtu	gray
#555555	0.1	fhilnrtu	gray